lecture LTC Extended meeting
Date/Time: from Monday, 3 March 2008 (08:30) to Friday, 14 March 2008 (18:00) (Europe/Zurich)
Location: CERN, CCC Conference Room
Chairperson: Steve Myers (AB), Paul Collier (AB/OP)
Support ab-head.office@cern.ch
Description: This extended LTC meeting will address topics related to the commissioning of LHC with beam to an intermediate energy. Sessions will include cold check-out without beam and the readiness of the machine systems to operate with beam.

Friday 14 March
14:00 - Main Auditorium
Summing-up of meeting

Monday, 3 March 2008 08:30 ->12:35 Session 1 - HWC experience & future plans    
Monday, 3 March 2008 13:30 ->18:00 Session 2 - Preparation for Circulating Beam - Part I    
Tuesday, 4 March 2008 08:20 ->12:20 Session 2 - Preparation for Circulating Beam - Part II    
Tuesday, 4 March 2008 13:00 ->18:00 Session 3 - Possible injection into part of the machine, preparation for beam    
Wednesday, 5 March 2008 08:30 ->17:30 Session 4 - Beam Plans for Accelerator Systems    
Thursday, 6 March 2008 08:30 ->17:30 Session 5 - Beam Plans for Accelerator Physics Systems    
Friday, 7 March 2008 09:50 ->18:50 Session 6 - Readiness of Controls    
Friday, 14 March 2008 14:00 ->18:00 Summary ()    

 
 Monday, 3 March 2008
Session 1 - HWC experience & future plans (08:30 ->12:05 )
Chairperson: Roberto Saban (TS/ICC), Walter Venturini (Scientific Secretary)
 08:30
Strategy (30')   Slides powerpoint file pdf file   Steve Myers  
- Achieve circulating beam as soon as we have a cold and minimally commissioned machine. 
- Commission with beam to demonstrate that the machine is viable (captured beam and 1 hour lifetime).  
- The first run for physics.
- The fall back solution: 
   - One or more sectors require a major repair and have to be warmed up.  
   -  Sector test from one side or both on several healthy sectors while the repair is ongoing – access ? Or time sharing the week.
- The energy strategy.
- Schedule
 09:00
HWC– where are we? (20')   Slides powerpoint file pdf file   Roberto Saban  
 The major non-conformities encountered, the ongoing work, repairs, etc. (PIMs, connection cryostats, coupling between bus-bars, water cooled cables and flexible connections, etc.). The planning for the coming months.
 09:20
Overview of the commissioning of 45 (20')   Slides powerpoint file pdf file   Bellesia Boris  
- Where we come from (a recall of sector 78)
- What was achieved in sector 45: number of circuits, energy of the presently commissioned sector 45, 
- how much more do we need for a reasonable energy level
 09:40
Issues arising from review and HW commissioning strategy over the coming months (20')   Slides powerpoint file pdf file   Rudiger Schmidt  
o	safety, access, resources (qps, interlocks, power converters, MPP, controls), availabilty of systems, etc
o	Lessons from sector 4-5
o	Parallelism between HWC and machine checkout (partial & full) – resources, expertise, limits
10:00  --- Coffee break --- (30')
 10:30
HW commissioning to intermediate energy (35')   Slides powerpoint file pdf file   Antonio Vergara-Fernandez  
o	How can we achieve a machine commissioned for beam operation for mid June?
o	Objectives, advantages of HWC to intermediate energy. 
o	How much time can we gain?
o	Can we achieve a commissioned machine for intermediate energy by mid-June? Critical issues for that?
o	Is there a safe limit to operate the magnets and the cryogenics for cold check-out, early physics? 
 11:05
Access System (30')   Slides powerpoint file pdf file   Magali Gruwe  
o              What is going to happen in the next 6 months?
o	Present experience
o	Closure of ring, preparation, qualification etc.
o	Prerequisites, EIS… 
o	Access during a sector test
o	Is the access system ready for HWC in parallel to a sectorized cold-check out in parallel to HWC and experiment preparation?
 11:35
Experiments during HWC, beam tests and initial commissioning (30')   Slides powerpoint file pdf file   Massimiliano Ferro-Luzzi  
o	What are the experiments going to do from March to the first collisions
o	Can they leave with controlled access in the experimental areas in parallel with HWC and Cold-Check-out
o	Impact of a Sector test
o	How interested are the experiments in a run at intermediate energy?

12:05  --- Lunch break --- (1h55')
Session 2 - Preparation for Circulating Beam - Part I (14:00 ->17:25 )
Chairperson: Gianluigi Arduini (AB/ABP), Scientific Secretary : Reyes Alemany Fernandez (AB/OP)
 14:00
Preparation for Beam commissioning (35')   Slides powerpoint file pdf file   Mike Lamont  
o              Plans for preparation for beam commissioning, dry runs, system commissioning, machine protection commissioning, partial cold checkout, full machine check out.
 14:35
Cryogenics towards operation (35')   Slides powerpoint file pdf file   Serge Claudet  
o              How to operate up to 8 sectors together. 
o              Recovery after a quench: how much time does it take? Is expert intervention required? How can this be improved?
o              Equipment folder: tests results, handling of non-conformities, performance below specs, machine as commissioned vs. machine as nominal
o              Alarms/signals/SW available in CCC
o              Piquet/Experts availability
 15:10
Magnets & QPS towards operation (35')   Slides powerpoint file pdf file   Nuria Catalan Lasheras  
o             How to operate up to 8 sectors together
o             Recovery after a quench: how much time does it take? Is expert intervention required? How can this be improved?
o             Equipment folder: tests results, handling of non-conformities, performance below specs, machine as commissioned vs. machine as nominal
o             Alarms/signals/SW available in CCC
o             Piquet/Experts availability
15:45  --- Coffee break --- (30')
 16:15
Vacuum (35')   Slides powerpoint file pdf file   Jose Miguel jimenez  
o              Breakdown of tests foreseen in preparation for beam
o              Equipment folder: tests results, handling of non-conformities, performance below specs, machine as commissioned vs. machine as specified
o              Issues for sectorized cold check-out in parallel to HWC 
o              Alarms/signals/SW available in CCC
o              Piquet/experts availability
 16:50
Injection/Beam Dump and Protection Devices (35')   Slides powerpoint filedown arrow pdf file   Brennan Goddard  
o	Breakdown of tests foreseen in preparation for beam 
o              Equipment folder: tests results, handling of non-conformities, performance below specs, machine as commissioned vs. machine as specified
o	Piquet/Experts availability


 
 Tuesday, 4 March 2008
Session 2 - Preparation for Circulating Beam - Part II (08:30 ->12:00 )
Chairperson: Gianluigi Arduini (AB/ABP), Scientific Secretary : Reyes Alemany Fernandez (AB/OP)
 08:30
RF (35')   Slides powerpoint file   Olivier Brunner  
o	Breakdown of tests foreseen in preparation for beam (including damper, synchronization signals and pre-pulses, RF instrumentation)
o	Equipment folder: tests results, handling of non-conformities, performance below specs, machine as commissioned vs. machine as specified
o	Piquet/Experts availability
 09:05
Beam Instrumentation (40')   Slides powerpoint file pdf file   Jean-Jacques Gras  
o	Breakdown of tests foreseen in preparation for beam
o	Equipment folder: tests results, handling of non-conformities, performance below specs, machine as commissioned vs. machine as specified
o	Piquet/Experts availability

09:45  break (30')
 10:15
Collimators (35')   Slides powerpoint file pdf file   Oliver Aberle  
o	Breakdown of tests foreseen in preparation for beam
o	Equipment folder: tests results, handling of non-conformities, performance below specs, machine as commissioned vs. machine as specified
o	Piquet/Experts availability
 10:50
Machine Interlocks (35')   Slides pdf file   Alick Macpherson  
o	Breakdown of the QA tests foreseen in preparation for beam
o	Equipment folder: tests results, handling of non-conformities, performance below specs, machine as commissioned vs. machine as specified
o	Piquet/Experts availability

12:00  --- Lunch break --- (2h0')
Session 3 - Possible injection into part of the machine, preparation for beam (14:00 ->17:30 )
Chairperson: Mike Lamont (AB/OP), Scientific Secretary: Verena Kain (AB/OP)
 14:00
Options for possible sector test (45')   Slides powerpoint file pdf file   Mike Lamont  
- motivation 
- options (injection point 8, injection point 2)
- prerequisites 
- test outline, planned total intensities
 14:45
Radiation Protection implications of possible sector test (30')   Slides powerpoint file pdf file   Doris Forkel-Wirth Helmut Vincke  
- precautions before test, during test
- survey, zonage 
- requirements after test 
- tunnel, experiments
15:15  --- Coffee break --- (30')
 15:45
Stopping the beam in a possible sector test (30')   Slides pdf file   Stefano Redaelli  
- point 7 
- colimators, point 6 
- beam dump
- point 3, point 4
- radiation levels
 16:15
Proposed tests with beam (45')   Slides powerpoint file pdf file   Massimo Giovannozzi  
- run trough list, 
- priorities, 
- intensities
 17:00
Quenches with beam (30')   Slides powerpoint file pdf file   Ralph Assmann  
- Motivation 
- Sector test, with circulating beam 
- Method, dangers, intensities 
- will HWC/MPP approve??? 
- Interference


 
 Wednesday, 5 March 2008
Session 4 - Beam Plans for Accelerator Systems (08:30 ->17:30 )
Chairperson: Roger Bailey (AB/OP), Scientific Secretary: Frank Zimmermann (AB/ABP)
Material: Abstract word file pdf file
 08:30
Beam Commissioning Procedures (30')   Abstract word file pdf file   Slides powerpoint file pdf file   Roger Bailey  
 09:00
Injection and Associated Protection Devices (40')   Slides powerpoint file pdf file   Verena Kain  
 09:40
Power Converters (tracking between sectors) (30')   Slides powerpoint file pdf file   Frederick Bordry  
10:10  --- Coffee break --- (30')
 10:40
RF Acceleration Systems (40')   Slides powerpoint file pdf file   Philippe Baudrenghien  
 11:20
Beam Dump and associated Protection Devices (30')   Slides powerpoint file pdf file   Brennan Goddard  
11:50  --- Lunch break --- (2h10')
 14:00
BI Systems (40')   Abstract word file pdf file   Slides powerpoint file pdf file   Rhodri Jones  
 14:40
RADMON (30')   Slides powerpoint file   Thijs Wijnands  
 15:10
Transverse Damper (30')   Slides powerpoint file unknown type file pdf file   Wolfgang Hofle  
15:40  --- Coffee break --- (30')
 16:10
Collimators (40')   Slides powerpoint file pdf file   Ralph Assmann  
 16:50
Machine Protection (30')   Abstract word file pdf file   Slides powerpoint file pdf file   Jan Uythoven  


 
 Thursday, 6 March 2008
Session 5 - Beam Plans for Accelerator Physics Systems (08:30 ->17:30 )
Chairperson: Oliver Brüning, Scientific Secretary: Alick Macpherson
 08:30
LHC optics (40')   Abstract pdf file   Slides powerpoint filedown arrow pdf filedown arrow   Thys Risselada Marek Strzelczyk  
Data base implementation in LSA. Procedures for uploading optics versions in to the LHC. Overview of the provided optics versions.
 09:10
LHC Aperture (35')   Slides pdf file   Stefano Redaelli  
Aperture model for the LHC. Summary of known aperture bottlenecks (e.g. Q2) and their documentation in the CCC. Procedures for the safe measurement of aperture in the LHC.
 09:45
Beta beating, coupling, and dispersion (35')   Abstract pdf file   Slides pdf file   Rogelio Tomas Garcia  
Procedures for measuring for verifying the optics in the LHC. Summary of correction algorithms and their implementation in LSA.
10:20  --- Coffee break --- (30')
 10:50
Orbit correction tools (35')   Abstract pdf file   Slides powerpoint file pdf file   Jorg Wenninger  
Commissioning strategy for the orbit correction system (BPM errors; k-modulation). Options for feed back loop on orbit. Orbit correction in the LHC IR and collimation regions. Strategy for orbit threading.
 11:25
Tune and Chromaticity correction (35')   Slides presentation file pdf file   Ralph Steinhagen  
Commissioning strategy for the tune and chromaticity correction systems. Options for feed back loop on tune and chromaticity.
12:00  --- Lunch break --- (2h0')
 14:00
Emittance (35')   Abstract pdf file   Slides powerpoint file pdf file   Frank Zimmermann  
Procedures for measuring beam emittances in the LHC. Tools for minimizing emittance blow up during injection, ramp and squeeze. Procedures and tools for transfer line to LHC matching.
 14:35
Non-linear correction circuits (35')   Abstract pdf file   Slides powerpoint file pdf file   Massimo Giovannozzi  
Procedures for adjusting the non-linear correction circuits in the LHC. Procedures for verifying the correction circuit settings
15:10  --- Coffee break --- (30')
 15:40
Verification of the Beam Loss studies at start-up (35')   Slides powerpoint file pdf file   Laurette Ponce  
Procedures for calibrating loss patterns. Operational scenarios given measured BLM losses. Threshold adjustment and masking disabling during operation. 
 16:15
MADX online model – Part 1 (25')   Slides powerpoint file   Frank Schmidt  
Basic tasks and options. Implementation
 16:40
MADX online model – Part 2 (25')   Slides pdf file   Werner Herr  
Integration into the LSA software and application of online MADX to operation


 
 Friday, 7 March 2008
Session 6 - Readiness of Controls (08:30 ->17:30 )
Chairperson: Jorg Wenninger, Scientific Secretary: Grzegorz Kruk
 08:30
Databases (30')   Slides powerpoint file pdf file   Chris Roderick  
DB cluster introduction
New DB organization (LSA DB, Logging DB, Measurement DB, …)
Performance issues (all databases)
Logging DB: data rates – what is acceptable vs. what is expected
 09:00
LSA Core (30')   Slides powerpoint file pdf file   Grzegorz Kruk  
Introduction (scope, high level architecture)
Settings organisation for LHC
Transactions (FGCs, FESA)
Republication of information from LSA to DIP
 09:30
LSA & Safety (30')   Slides powerpoint filedown arrow pdf filedown arrow   Verena Kain Wojtek Sliwinski  
Introduction (motivation for RBAC and MCS)
What’s involved in making a property critical?
How we manage maintenance of RBAC roles and MCS definitions?
How do we ensure that configuration in LSA DB is in sync with Front-end?
10:00  --- Coffee break --- (30')
 10:30
Sequencer (30')   Slides powerpoint file pdf file   Reyes Alemany Fernandez  
Experiences from HWC
Current functionality and functionality which is missing for the first beam.
Sequence creation/edition – who and how?
 11:00
Timing (30')   Slides powerpoint file pdf file   Julian Lewis  
HW status.
Timing tables, telegrams, interface form LSA
Injection cycling/filling scenario overview
Post Mortem, XPOC events distribution
 11:30
Applications (30')   Slides powerpoint file pdf file   Delphine Jacquet  
What’s needed, what’s there, 
What’s missing and who is likely to do it (OP, CO, LAFS, BI)?
12:00  --- Lunch break --- (2h0')
 14:00
Magnet Modelling (30')   Slides powerpoint file pdf file   Nicholas Sammut  
Status of FIDEL in LSA.
How do we feed errors back into the model? 
How do we feed a new model into LSA? 
Magnet vs. circuit modelling.
 14:30
Collimator control (30')   Slides powerpoint file pdf file   Michel Jonker (CERN)  
Readiness of collimators control – from bottom to top
State of automated collimator positioning
15:00  --- Coffee break --- (30')
 15:30
Machine Interlocks (BIS, WIC, PIC, FMCM & SMP) (30')   Slides powerpoint file pdf file   Bruno Puccio  
Hardware readiness and plans
State of the supervision
 16:00
SIS (Software Interlock System) (30')   Slides powerpoint file pdf file   Jakub Wozniak  
Present readiness status.
Missing functionality – machine checkout and beam operations.
 16:30
PM (Post Mortem) (30')   Slides powerpoint file pdf file   Markus Zerlauth  
HWC tools & evolution
Towards beam: tools, storage, triggering


 
 Friday, 14 March 2008
Summary (14:00 ->18:00 )
Chairperson: Steve Myers, Paul Collier
 14:00
Summary Session 1 - HWC experience & future plans (20')   Slides powerpoint file pdf file   Chairman: Roberto Saban Scientific Secretary: Walter Venturini  
 14:20
Summary Session 2 - Preparation for Circulating Beam (25')   Slides powerpoint file pdf file   Chairman: Gianluigi Arduini Scientific Secretary: Reyes Alemany Fernandez  
 14:45
Summary Session 3 - Possible injection into part of the machine, preparation for beam (20')   Slides powerpoint file pdf file   Chairman: Mike Lamont Scientific Secretary: Verena KAIN  
 15:05
Summary Session 4 - Beam Plans for Accelerator Systems (25')   Slides powerpoint file pdf file   Chairman: Roger Bailey Scientific Secretary: Frank Zimmermann  
 15:30
Summary Session 5 - Beam Plans for Accelerator Physics Systems (25')   Slides powerpoint file pdf file   Chairman: Oliver Bruning Scientific Secretary: Alick Macpherson  
 15:55
Summary Session 6 - Readiness of Controls (25')   Slides powerpoint file pdf file   Chairman: Jorg Wenninger Scientific Secretary: Grzegorz Kruk  
 16:20
Closing Words (10')   Steve Myers